469
FNCA52 TJSJ 060730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SUN SEP 6 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-062000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 30
TEMP (24H TREND) 90 (-1) 76 (-2) 89
RH % (24H TREND) 58 (-6) 93 (+3) 59
WIND 20FT/EARLY(MPH) E 10 E 8 E 12 G20
WIND 20FT/LATE(MPH) SE 11 E 8 SE 13
MIXING HGT(FT-AGL/MSL)4630 4820
TRANSPORT WND (MPH) SE 12 E 16
VENT RATE (KT-FT) 46300 67480
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-062000-
SOUTHERN HILLS-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 40
TEMP (24H TREND) 88 (+1) 72 (-3) 87
RH % (24H TREND) 65 (-2) 98 (+4) 66
WIND 20FT/EARLY(MPH) E 11 E 9 E 11
WIND 20FT/LATE(MPH) SE 11 E 8 SE 12
MIXING HGT(FT-AGL/MSL)5380 5460
TRANSPORT WND (MPH) SE 10 SE 15
VENT RATE (KT-FT) 48420 70980
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-062000-
NORTH COASTAL PLAINS-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 20 60
TEMP (24H TREND) 91 (0) 76 (-1) 90
RH % (24H TREND) 64 (-3) 99 (+3) 67
WIND 20FT/EARLY(MPH) E 10 SE 10 E 12
WIND 20FT/LATE(MPH) E 13 SE 8 E 17
MIXING HGT(FT-AGL/MSL)4890 5320
TRANSPORT WND (MPH) SE 9 E 14
VENT RATE (KT-FT) 39120 63840
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-062000-
NORTHERN HILLS-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 80
TEMP (24H TREND) 90 (+1) 73 (-2) 88
RH % (24H TREND) 66 (-2) 99 (+1) 68
WIND 20FT/EARLY(MPH) E 8 SE 8 E 11
WIND 20FT/LATE(MPH) E 11 LGT/VAR E 14
MIXING HGT(FT-AGL/MSL)5370 6070
TRANSPORT WND (MPH) SE 8 SE 9
VENT RATE (KT-FT) 37590 48560
DISPERSION 5 5
DSI 5 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-062000-
WEST COAST-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 50
TEMP (24H TREND) 92 (+1) 75 (-1) 92
RH % (24H TREND) 63 (-4) 98 (+1) 65
WIND 20FT/EARLY(MPH) E 11 E 11 E 12
WIND 20FT/LATE(MPH) SE 13 E 10 SE 14
MIXING HGT(FT-AGL/MSL)4660 4800
TRANSPORT WND (MPH) SE 12 SE 13
VENT RATE (KT-FT) 46600 52800
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-062000-
EASTERN INTERIOR-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 50 50
TEMP (24H TREND) 89 (0) 74 (-3) 88
RH % (24H TREND) 63 (-3) 99 (+4) 67
WIND 20FT/EARLY(MPH) SE 10 SE 11 SE 13
WIND 20FT/LATE(MPH) SE 11 SE 11 SE 14
MIXING HGT(FT-AGL/MSL)6220 6120
TRANSPORT WND (MPH) SE 12 SE 16
VENT RATE (KT-FT) 62200 85680
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-062000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 40 50
TEMP (24H TREND) 86 (+3) 71 (-3) 84
RH % (24H TREND) 69 (-5) 100 (+2) 73
WIND 20FT/EARLY(MPH) SE 9 SE 9 SE 11
WIND 20FT/LATE(MPH) SE 11 SE 8 SE 12
MIXING HGT(FT-AGL/MSL)4410 4190
TRANSPORT WND (MPH) SE 12 SE 17
VENT RATE (KT-FT) 44100 62850
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-062000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 10 70
TEMP (24H TREND) 86 (+2) 71 (-2) 86
RH % (24H TREND) 68 (-5) 99 (+1) 70
WIND 20FT/EARLY(MPH) SE 9 SE 5 SE 9
WIND 20FT/LATE(MPH) SE 9 SE 5 SE 10
MIXING HGT(FT-AGL/MSL)6400 6770
TRANSPORT WND (MPH) SE 8 SE 10
VENT RATE (KT-FT) 44800 60930
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-062000-
CAYEY MOUNTAIN RANGE-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 40 50 40
TEMP (24H TREND) 85 (+1) 72 (-2) 83
RH % (24H TREND) 70 (-1) 100 (+1) 74
WIND 20FT/EARLY(MPH) E 8 SE 6 E 11
WIND 20FT/LATE(MPH) SE 10 E 6 SE 11
MIXING HGT(FT-AGL/MSL)5050 5200
TRANSPORT WND (MPH) SE 12 SE 16
VENT RATE (KT-FT) 50500 72800
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-062000-
VIEQUES-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 40
TEMP (24H TREND) 91 (+2) 80 (-1) 90
RH % (24H TREND) 60 (-3) 88 (+2) 61
WIND 20FT/EARLY(MPH) SE 11 SE 13 E 14
WIND 20FT/LATE(MPH) SE 10 E 13 E 14
MIXING HGT(FT-AGL/MSL)2830 2990
TRANSPORT WND (MPH) SE 13 SE 18
VENT RATE (KT-FT) 31130 47840
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-062000-
CULEBRA-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 40 40
TEMP (24H TREND) 91 (+2) 80 (-1) 90
RH % (24H TREND) 63 (-6) 92 (+3) 65
WIND 20FT/EARLY(MPH) SE 12 SE 14 SE 16
WIND 20FT/LATE(MPH) SE 11 E 13 SE 16
MIXING HGT(FT-AGL/MSL)3000 2990
TRANSPORT WND (MPH) SE 14 SE 18
VENT RATE (KT-FT) 36000 47840
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-062000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 20
TEMP (24H TREND) 92 (+1) 76 (-2) 92
RH % (24H TREND) 54 (-9) 95 (+3) 55
WIND 20FT/EARLY(MPH) E 13 G21 E 13 E 14 G23
WIND 20FT/LATE(MPH) SE 14 E 13 SE 17 G24
MIXING HGT(FT-AGL/MSL)4710 4850
TRANSPORT WND (MPH) SE 16 SE 18
VENT RATE (KT-FT) 65940 77600
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-062000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 40
TEMP (24H TREND) 89 (+2) 79 (-2) 89
RH % (24H TREND) 63 (-7) 91 (+2) 64
WIND 20FT/EARLY(MPH) SE 13 SE 13 E 16
WIND 20FT/LATE(MPH) SE 11 E 14 E 16
MIXING HGT(FT-AGL/MSL)3120 3140
TRANSPORT WND (MPH) E 17 SE 18
VENT RATE (KT-FT) 46800 50240
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-062000-
ST CROIX-
330 AM AST SUN SEP 6 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 40
TEMP (24H TREND) 90 (+2) 79 (-2) 89
RH % (24H TREND) 64 (-5) 92 (+2) 65
WIND 20FT/EARLY(MPH) SE 11 E 12 E 14
WIND 20FT/LATE(MPH) SE 11 E 13 E 14
MIXING HGT(FT-AGL/MSL)4430 4450
TRANSPORT WND (MPH) SE 14 SE 20
VENT RATE (KT-FT) 53160 75650
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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